|
authors |
Tulyaganov, DU; Agathopoulos, S; Fernandes, HR; Ferreira, JMF |
|
nationality |
International |
|
journal |
CERAMICS INTERNATIONAL |
|
author keywords |
sintering; microstructure-final; glass-ceramics; crystallization |
|
keywords |
WASTES; KIRA |
|
abstract |
Glass-ceramics were produced by crystallization of glasses in the SiO2-Al2O3-B2O3-MgO-CaO-N2O-F system. The experimental results showed that bulk glasses are prone to surface crystallization. Hence, crystallization of bulk glasses resulted in non-homogeneous crystalline materials, which comprised relatively coarse crystals. Therefore, processing was realized using (glass-powder compacts. Maximum densification was reached at 700-750 degrees C. This interval is positioned at relatively lower temperatures than those often reported for similar sintered glass-ceramics. Doping with P2O5 improved sintering behaviour and broadened sintering temperature range. Sintering between 750 and 800 degrees C resulted in materials, which exhibited dense crystalline microstructure and the maximum flexural strength. (C) 2005 Elsevier Ltd and Techna Group S.r.l. All rights reserved. |
|
publisher |
ELSEVIER SCI LTD |
|
issn |
0272-8842 |
|
year published |
2006 |
|
volume |
32 |
|
issue |
2 |
|
beginning page |
195 |
|
ending page |
200 |
|
digital object identifier (doi) |
10.1016/j.ceramint.2005.02.006 |
|
web of science category |
Materials Science, Ceramics |
|
subject category |
Materials Science |
|
unique article identifier |
WOS:000234792700017
|
